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SAE-AISI 8620 Steel vs. EN 2.4680 Cast Nickel

SAE-AISI 8620 steel belongs to the iron alloys classification, while EN 2.4680 cast nickel belongs to the nickel alloys. There are 27 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 8620 steel and the bottom bar is EN 2.4680 cast nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 13 to 31
9.1
Fatigue Strength, MPa 270 to 360
120
Poisson's Ratio 0.29
0.26
Shear Modulus, GPa 73
84
Tensile Strength: Ultimate (UTS), MPa 520 to 690
600
Tensile Strength: Yield (Proof), MPa 360 to 570
260

Thermal Properties

Latent Heat of Fusion, J/g 250
350
Maximum Temperature: Mechanical, °C 410
1050
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.6
60
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.5
9.1
Embodied Energy, MJ/kg 20
130
Embodied Water, L/kg 50
350

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 150
45
Resilience: Unit (Modulus of Resilience), kJ/m3 340 to 880
160
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 24
21
Strength to Weight: Bending, points 18 to 22
20
Thermal Diffusivity, mm2/s 10
3.7
Thermal Shock Resistance, points 15 to 20
14

Alloy Composition

Carbon (C), % 0.18 to 0.23
0 to 0.1
Chromium (Cr), % 0.4 to 0.6
48 to 52
Iron (Fe), % 96.9 to 98
0 to 1.0
Manganese (Mn), % 0.7 to 0.9
0 to 0.5
Molybdenum (Mo), % 0.15 to 0.25
0 to 0.5
Nickel (Ni), % 0.4 to 0.7
42.9 to 51
Niobium (Nb), % 0
1.0 to 1.8
Nitrogen (N), % 0
0 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.020